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Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 7.4L V8 - VIN [N] >> Removal & Installation >> Timing Chain >> Installation

Timing Chain: Installation

  1. Install Woodruff key in crankshaft (if removed). Using Crankshaft Sprocket Installer (J-22102), install crankshaft sprocket on crankshaft. Install camshaft sprocket and timing chain.
  2. Ensure timing marks on sprockets are aligned. See Fig 1 . Install and tighten sprocket bolts to specification. Reverse removal procedure to install remaining components. Tighten all bolts to specification. See appropriate TORQUE SPECIFICATIONS table.
Fig 1: Aligning Timing Sprocket Marks
G91009Courtesy of GENERAL MOTORS CORP.
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